A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 31 Days

Compiled at 1702 UTC on 20 April 2019

[ The Tracking News | ephemerides | cleared ]

Notes: The time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090. Both risk monitors also post a few special objects with impact solutions beyond 100 years. For the latest official risk assessments, and for explanations of terminology and methodology, see NASA/JPL Sentry and NEODyS CLOMON2.
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Object

Risk
Monitor
 A/CC  Noted 
 Time & Day 
UTC
0000T0000
Year
Range

VI
#
000NN00
Prob
Cum
T0000
PS
Cum
T0000
PS
Max

T
S


Notes for Latest Risk Assessments
2019 GU19NEODyS0716 April 152065-209151.2e-06-6.17-6.450Based on 20 optical observations (of which 0 are rejected as outliers) from 2019-04-13.218 to 2019-04-14.488.
An assessment posting was noted by A/CC on 15 April   -   References: MPEC 2019-G178
2019 GS19JPL Sentry1730 April 172102-210211.512e-07-7.27-7.270Computed at 08:10 April 17th Pacific time based on 50 observations spanning 4.8914 days (2019-Apr-11.38728 to 2019-Apr-16.27868). Diameter approximately 0.026 km. from weighted mean H=25.60.
NEODyS1730 April 172069-210221.35e-07-7.27-7.330Based on 52 optical observations (of which 4 are rejected as outliers) from 2019-04-11.388 to 2019-04-16.279.
Assessment postings were noted by A/CC on 15 April & 17 April   -   References: MPEC 2019-G176 plus DOU 2019-H13
2019 GG19NEODyS0716 April 15211411.68e-09-8.65-8.650Based on 73 optical observations (of which 0 are rejected as outliers) from 2019-04-08.263 to 2019-04-14.164.
An assessment posting was noted by A/CC on 15 April   -   References: MPEC 2019-G164
2019 GC6JPL Sentry1605 April 192113-211319.482e-09-9.19-9.190Computed at 08:35 April 19th Pacific time based on 99 observations spanning 17.397 days (2019-Mar-31.33428 to 2019-Apr-17.731084). Diameter approximately 0.017 km. from weighted mean H=26.47.
NEODyS1540 April 192080-211498.49e-07-7.27-7.280Based on 94 optical observations (of which 0 are rejected as outliers) from 2019-03-31.335 to 2019-04-17.732.
Assessment postings were noted by A/CC on 10 April, 11 April, 13 April, 14 April, 16 April, 17 April, 18 April & 19 April   -   References: MPEC 2019-G146 plus DOUs 2019-G149, 2019-G150, 2019-G154, 2019-G160, 2019-H04, 2019-H15 & 2019-H26
2019 GO4JPL Sentry1636 April 11R E M O V E DRisk listing removed at 1606 UTC April 11th
NEODyS1600 April 11205916.49e-08-6.89-6.890Based on 36 optical observations (of which 0 are rejected as outliers) from 2019-04-02.433 to 2019-04-11.049.
Assessment postings were noted by A/CC on 9 April, 10 April & 11 April   -   References: MPEC 2019-G118 plus DOUs 2019-G149 & 2019-G150
2019 GD4NEODyS2001 April 142062-2118722.2e-05-6.21-6.60Based on 14 optical observations (of which 0 are rejected as outliers) from 2019-04-05.432 to 2019-04-14.401.
JPL Sentry2001 April 142065-2118312.93748757e-05-6.07-6.400Computed at 12:10 April 14th Pacific time based on 14 observations spanning 8.9685 days (2019-Apr-05.43169 to 2019-Apr-14.40018). Diameter approximately 0.010 km. from weighted mean H=27.64.
Assessment postings were noted by A/CC on 9 April, 11 April & 14 April   -   References: MPEC 2019-G110 plus DOUs 2019-G150 & 2019-G160
2019 GK3JPL Sentry2236 April 152103-211638.21166e-06-7.71-7.710Computed at 15:25 April 15th Pacific time based on 35 observations spanning 9.9878 days (2019-Apr-04.349765 to 2019-Apr-14.33752). Diameter approximately 0.004 km. from weighted mean H=29.50.
NEODyS2001 April 142103-211659.74e-06-7.65-7.710Based on 35 optical observations (of which 0 are rejected as outliers) from 2019-04-04.351 to 2019-04-14.338.
Assessment postings were noted by A/CC on 8 April, 9 April, 10 April, 14 April & 15 April   -   References: MPEC 2019-G90 plus DOUs 2019-G122, 2019-G149 & 2019-G160
2019 GF3JPL Sentry1625 April 12R E M O V E DRisk listing removed at 1539 UTC April 12th
NEODyS1625 April 12209316.51e-10-8.41-8.410Based on 15 optical observations (of which 0 are rejected as outliers) from 2019-04-04.351 to 2019-04-11.052.
Assessment postings were noted by A/CC on 8 April, 9 April & 12 April   -   References: MPEC 2019-G87 plus DOU 2019-G153
2019 GD1NEODyS1801 April 18211511.77e-06-3.38-3.380Based on 59 optical observations (of which 0 are rejected as outliers) from 2019-04-02.477 to 2019-04-15.323.
JPL Sentry1610 April 182115-211511.599e-06-3.41-3.410Computed at 09:06 April 18th Pacific time based on 59 observations spanning 12.845 days (2019-Apr-02.47647 to 2019-Apr-15.32175). Diameter approximately 0.310 km. from weighted mean H=20.17.
Assessment postings were noted by A/CC on 6 April, 7 April, 8 April, 9 April, 10 April, 11 April, 14 April, 16 April, 17 April & 18 April   -   References: MPEC 2019-G67 plus DOUs 2019-G71, 2019-G82, 2019-G122, 2019-G149, 2019-G150, 2019-G160, 2019-H04, 2019-H13 & 2019-H15
2019 FU1NEODyS1801 April 182078-2109131.62e-06-6.85-7.010Based on 38 optical observations (of which 0 are rejected as outliers) from 2019-03-29.318 to 2019-04-03.443.
JPL Sentry1610 April 182091-210961.97866e-06-6.75-6.860Computed at 09:03 April 18th Pacific time based on 38 observations spanning 5.1252 days (2019-Mar-29.31698 to 2019-Apr-03.442147). Diameter approximately 0.012 km. from weighted mean H=27.32.
Assessment postings were noted by A/CC on 18 April   -   References: MPEC 2019-F149 plus DOUs 2019-G15, 2019-G34 & 2019-H15
2019 FT1JPL Sentry1631 April 182104-211323.6701e-08-8.69-8.770Computed at 09:16 April 18th Pacific time based on 44 observations spanning 11.226 days (2019-Mar-29.3156 to 2019-Apr-09.541473). Diameter approximately 0.014 km. from weighted mean H=26.99.
NEODyS1635 April 162104-211321.85e-06-7.01-7.040Based on 44 optical observations (of which 1 are rejected as outliers) from 2019-03-29.316 to 2019-04-09.542.
Assessment postings were noted by A/CC on 5 April, 8 April, 16 April & 18 April   -   References: MPEC 2019-F158 plus DOUs 2019-G15, 2019-G34, 2019-G46, 2019-G82, 2019-H04 & 2019-H15
2019 FB1JPL Sentry1625 April 122113-211723.143e-06-7.22-7.380Computed at 08:30 April 12th Pacific time based on 81 observations spanning 2.5646 days (2019-Mar-28.42768 to 2019-Mar-30.992243). Diameter approximately 0.010 km. from weighted mean H=27.74.
An assessment posting was noted by A/CC on 12 April   -   References: MPEC 2019-F130 plus DOUs 2019-F131, 2019-F132 & 2019-G153
2019 FENEODyS1801 April 18210617.35e-08-7.04-7.040Based on 195 optical observations (of which 3 are rejected as outliers) from 2019-03-17.564 to 2019-04-14.468.
JPL Sentry1610 April 182106-210611.863e-06-5.63-5.630Computed at 09:09 April 18th Pacific time based on 195 observations spanning 27.904 days (2019-Mar-17.563057 to 2019-Apr-14.46718). Diameter approximately 0.050 km. from weighted mean H=24.16.
Assessment postings were noted by A/CC on 5 April, 7 April, 8 April, 9 April, 10 April, 11 April, 14 April, 15 April & 18 April   -   References: MPEC 2019-F46 plus DOUs 2019-F76, 2019-F106, 2019-F117, 2019-F126, 2019-F131, 2019-G03, 2019-G20, 2019-G34, 2019-G46, 2019-G71, 2019-G82, 2019-G122, 2019-G149, 2019-G150, 2019-G160 & 2019-H15
2019 EDNEODyS1540 April 19211311.94e-08-9.15-9.150Based on 67 optical observations (of which 0 are rejected as outliers) from 2019-03-01.196 to 2019-03-17.245.
An assessment posting was noted by A/CC on 19 April   -   References: DOU 2019-H26
2019 DS1JPL Sentry1605 April 52076-2115200.000523188317-3.74-3.850Computed at 08:55 April 5th Pacific time based on 97 observations spanning 34.046 days (2019-Feb-28.38268 to 2019-Apr-03.428568). Diameter approximately 0.025 km. from weighted mean H=25.66.
NEODyS1605 April 52069-2115384.34e-04-3.84-3.980Based on 97 optical observations (of which 0 are rejected as outliers) from 2019-02-28.383 to 2019-04-03.429.
Assessment postings were noted by A/CC on 5 April   -   References: DOU 2019-G46
2019 DM1JPL Sentry1701 April 202072-209132.2838e-07-8.05-8.250Computed at 08:41 April 20th Pacific time based on 49 observations spanning 9.1671 days (2019-Feb-28.39873 to 2019-Mar-09.565787). Diameter approximately 0.008 km. from weighted mean H=28.04.
NEODyS1701 April 202072-210444.52e-07-7.68-7.680Based on 49 optical observations (of which 0 are rejected as outliers) from 2019-02-28.400 to 2019-03-09.567.
Assessment postings were noted by A/CC on 20 April   -   References: DOU 2019-H27
2019 DJ1JPL Sentry1625 April 12R E M O V E DRisk listing removed at 1524 UTC April 12th
NEODyS1625 April 12210812.06e-07-8.00-8.00Based on 83 optical observations (of which 0 are rejected as outliers) from 2018-02-12.515 to 2019-03-12.880.
Assessment postings were noted by A/CC on 12 April   -   References: DOU 2019-G153
2019 DPJPL Sentry1601 April 182073-2118161.09907e-05-5.25-5.750Computed at 08:57 April 18th Pacific time based on 211 observations spanning 41.907 days (2019-Feb-26.440595 to 2019-Apr-09.348076). Diameter approximately 0.035 km. from weighted mean H=24.96.
An assessment posting was noted by A/CC on 18 April   -   References: DOUs 2019-F52, 2019-F76, 2019-F106, 2019-F126, 2019-G03, 2019-G15, 2019-G34 & 2019-H15
2019 AC3NEODyS1801 April 182091-2118172.11e-04-5.16-5.170Based on 43 optical observations (of which 0 are rejected as outliers) from 2019-01-03.589 to 2019-01-17.464.
JPL Sentry1801 April 182091-211879.881918e-05-5.46-5.470Computed at 10:10 April 18th Pacific time based on 43 observations spanning 13.875 days (2019-Jan-03.58822 to 2019-Jan-17.46289). Diameter approximately 0.012 km. from weighted mean H=27.24.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2019 AW2JPL Sentry1601 April 182072-207212.863e-06-5.67-5.670Computed at 08:43 April 18th Pacific time based on 41 observations spanning 13.929 days (2019-Jan-03.47489 to 2019-Jan-17.403565). Diameter approximately 0.029 km. from weighted mean H=25.32.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 YW2JPL Sentry1707 April 182069-206914.327e-07-6.02-6.020Computed at 09:53 April 18th Pacific time based on 75 observations spanning 73.997 days (2018-Dec-31.52399 to 2019-Mar-15.52116). Diameter approximately 0.053 km. from weighted mean H=24.01.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 YQ2NEODyS1801 April 182080-211529.59e-08-7.91-8.130Based on 56 optical observations (of which 1 are rejected as outliers) from 2018-12-31.159 to 2019-01-09.203.
JPL Sentry1631 April 182112-211622.926e-07-7.50-7.670Computed at 09:14 April 18th Pacific time based on 55 observations spanning 9.0389 days (2018-Dec-31.16339 to 2019-Jan-09.2023). Diameter approximately 0.021 km. from weighted mean H=26.06.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 XB4JPL Sentry1707 April 182071-2118180.000177502824-3.58-3.600Computed at 09:50 April 18th Pacific time based on 66 observations spanning 41.783 days (2018-Dec-13.34358 to 2019-Jan-24.12672). Diameter approximately 0.053 km. from weighted mean H=24.01.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 XW3NEODyS1801 April 182042-204424.02e-09-8.76-8.820Based on 27 optical observations (of which 0 are rejected as outliers) from 2018-12-13.230 to 2019-01-03.391.
JPL Sentry1707 April 182044-204414.467e-09-8.69-8.690Computed at 09:48 April 18th Pacific time based on 27 observations spanning 21.160 days (2018-Dec-13.2296 to 2019-Jan-03.389707). Diameter approximately 0.018 km. from weighted mean H=26.34.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 XX2JPL Sentry1801 April 182106-210611.539e-07-7.55-7.550Computed at 10:09 April 18th Pacific time based on 50 observations spanning 31.870 days (2018-Dec-10.53786 to 2019-Jan-11.407964). Diameter approximately 0.021 km. from weighted mean H=26.04.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 QENEODyS1801 April 182036-2118351.04e-05-6.65-7.130Based on 30 optical observations (of which 1 are rejected as outliers) from 2018-08-05.318 to 2018-08-19.606.
JPL Sentry1801 April 182036-2117131.099948e-05-6.66-7.210Computed at 10:12 April 18th Pacific time based on 30 observations spanning 14.288 days (2018-Aug-05.317385 to 2018-Aug-19.6055). Diameter approximately 0.009 km. from weighted mean H=27.78.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 LE1NEODyS1801 April 182102-210324.52e-07-8.06-8.060Based on 56 optical observations (of which 1 are rejected as outliers) from 2018-06-05.395 to 2018-06-21.386.
JPL Sentry1707 April 182102-210213.807e-07-8.11-8.110Computed at 09:37 April 18th Pacific time based on 55 observations spanning 15.991 days (2018-Jun-05.39422 to 2018-Jun-21.385419). Diameter approximately 0.010 km. from weighted mean H=27.69.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 LMJPL Sentry1631 April 182112-211631.148e-06-6.54-6.820Computed at 09:16 April 18th Pacific time based on 94 observations spanning 23.002 days (2018-Jun-02.279049 to 2018-Jun-25.280771). Diameter approximately 0.030 km. from weighted mean H=25.23.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 EL4NEODyS1801 April 182102-211046.08e-07-6.78-7.260Based on 83 optical observations (of which 0 are rejected as outliers) from 2018-03-14.211 to 2018-04-13.283.
JPL Sentry1707 April 182110-211027.598e-08-7.68-7.940Computed at 10:02 April 18th Pacific time based on 83 observations spanning 30.072 days (2018-Mar-14.20994 to 2018-Apr-13.281742). Diameter approximately 0.030 km. from weighted mean H=25.25.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 EV3JPL Sentry1631 April 182081-211349.3828e-07-7.14-7.270Computed at 09:27 April 18th Pacific time based on 26 observations spanning 4.0610 days (2018-Mar-09.27575 to 2018-Mar-13.336702). Diameter approximately 0.013 km. from weighted mean H=27.12.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 DBJPL Sentry1610 April 182068-211931.15738e-06-7.32-7.370Computed at 09:06 April 18th Pacific time based on 19 observations spanning 6.8129 days (2018-Feb-12.403902 to 2018-Feb-19.21684). Diameter approximately 0.010 km. from weighted mean H=27.58.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 CKNEODyS1801 April 18207018.82e-11-10.68-10.680Based on 37 optical observations (of which 0 are rejected as outliers) from 2018-02-03.333 to 2018-02-16.261.
JPL Sentry1631 April 18R E M O V E DRisk listing removed at 1625 UTC April 18th
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2018 AU18JPL Sentry1631 April 182046-2114122.410745e-06-6.78-6.930Computed at 09:25 April 18th Pacific time based on 19 observations spanning 5.2542 days (2018-Jan-15.37577 to 2018-Jan-20.630002). Diameter approximately 0.011 km. from weighted mean H=27.42.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 XY2NEODyS1801 April 18210817.29e-08-8.53-8.530Based on 27 optical observations (of which 0 are rejected as outliers) from 2017-12-08.520 to 2017-12-15.332.
JPL Sentry1601 April 18R E M O V E DRisk listing removed at 1549 UTC April 18th
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 WE28JPL Sentry1801 April 182039-2078112.033416e-06-6.46-6.680Computed at 10:17 April 18th Pacific time based on 33 observations spanning 13.937 days (2017-Nov-27.12601 to 2017-Dec-11.062792). Diameter approximately 0.015 km. from weighted mean H=26.72.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 VF14JPL Sentry1601 April 182080-209357.2423e-07-7.96-8.230Computed at 08:46 April 18th Pacific time based on 33 observations spanning 6.0527 days (2017-Nov-15.33557 to 2017-Nov-21.388303). Diameter approximately 0.007 km. from weighted mean H=28.46.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 VJNEODyS1801 April 182109-2118212.58e-06-5.68-5.970Based on 63 optical observations (of which 0 are rejected as outliers) from 2017-11-05.412 to 2017-12-08.313.
JPL Sentry1601 April 182109-211871.86121e-06-5.80-6.070Computed at 08:48 April 18th Pacific time based on 63 observations spanning 32.902 days (2017-Nov-05.41077 to 2017-Dec-08.31247). Diameter approximately 0.042 km. from weighted mean H=24.52.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 UQ7JPL Sentry1707 April 182096-209614.016e-08-7.60-7.600Computed at 10:01 April 18th Pacific time based on 58 observations spanning 16.000 days (2017-Oct-26.21101 to 2017-Nov-11.21143). Diameter approximately 0.031 km. from weighted mean H=25.17.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 UL7JPL Sentry1601 April 182041-204113.471e-07-5.68-5.680Computed at 08:44 April 18th Pacific time based on 34 observations spanning 16.840 days (2017-Oct-11.422837 to 2017-Oct-28.26332). Diameter approximately 0.045 km. from weighted mean H=24.39.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 USNEODyS1801 April 182085-2117261.44e-03-3.77-4.170Based on 125 optical observations (of which 1 are rejected as outliers) from 2017-10-16.346 to 2017-11-13.062.
JPL Sentry1707 April 182085-2113160.0015872788-3.68-4.040Computed at 09:33 April 18th Pacific time based on 124 observations spanning 27.716 days (2017-Oct-16.34512 to 2017-Nov-13.06145). Diameter approximately 0.022 km. from weighted mean H=25.98.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 TT3JPL Sentry1601 April 182059-210821.3427e-07-7.33-7.530Computed at 08:47 April 18th Pacific time based on 32 observations spanning 21.998 days (2017-Oct-08.365884 to 2017-Oct-30.3641). Diameter approximately 0.025 km. from weighted mean H=25.62.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 TU1NEODyS1801 April 182076-211652.49e-08-8.42-8.550Based on 47 optical observations (of which 0 are rejected as outliers) from 2017-10-01.412 to 2017-10-12.907.
JPL Sentry1707 April 182076-211151.1978e-07-7.70-8.120Computed at 09:59 April 18th Pacific time based on 45 observations spanning 11.495 days (2017-Oct-01.411397 to 2017-Oct-12.90617). Diameter approximately 0.020 km. from weighted mean H=26.11.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 RV2NEODyS1801 April 182061-2118671.27e-04-4.85-5.080Based on 138 optical observations (of which 1 are rejected as outliers) from 2017-09-14.436 to 2017-10-22.484.
JPL Sentry1707 April 182071-2118410.00010089665-4.96-5.430Computed at 09:34 April 18th Pacific time based on 137 observations spanning 38.048 days (2017-Sep-14.43497 to 2017-Oct-22.483124). Diameter approximately 0.019 km. from weighted mean H=26.21.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 JB2JPL Sentry1707 April 182110-211127.494e-07-8.59-8.890Computed at 09:40 April 18th Pacific time based on 33 observations spanning 23.026 days (2017-May-06.44444 to 2017-May-29.470678). Diameter approximately 0.005 km. from weighted mean H=29.09.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 FC1NEODyS1801 April 18206416.5e-09-8.82-8.820Based on 91 optical observations (of which 2 are rejected as outliers) from 2017-03-14.416 to 2017-04-01.609.
JPL Sentry1601 April 182064-206412.302e-07-7.24-7.240Computed at 08:43 April 18th Pacific time based on 91 observations spanning 18.194 days (2017-Mar-14.415078 to 2017-Apr-01.608654). Diameter approximately 0.020 km. from weighted mean H=26.13.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 BG92NEODyS1801 April 182061-2118211.35e-05-6.94-7.150Based on 24 optical observations (of which 2 are rejected as outliers) from 2017-01-24.430 to 2017-02-04.565.
JPL Sentry1540 April 182072-211861.328556e-05-6.90-6.980Computed at 08:13 April 18th Pacific time based on 22 observations spanning 11.135 days (2017-Jan-24.428757 to 2017-Feb-04.56418). Diameter approximately 0.006 km. from weighted mean H=28.73.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2016 JA6NEODyS1801 April 182081-2118156.11e-06-6.13-6.530Based on 68 optical observations (of which 2 are rejected as outliers) from 2016-05-04.584 to 2016-05-19.400.
JPL Sentry1540 April 182081-211774.223e-06-6.26-6.490Computed at 08:13 April 18th Pacific time based on 68 observations spanning 14.816 days (2016-May-04.58285 to 2016-May-19.399285). Diameter approximately 0.018 km. from weighted mean H=26.35.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2016 FF14JPL Sentry1540 April 182106-211321.058e-08-9.30-9.390Computed at 08:09 April 18th Pacific time based on 85 observations spanning 4.1731 days (2016-Mar-31.28668 to 2016-Apr-04.45982). Diameter approximately 0.013 km. from weighted mean H=27.09.
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2015 XA378NEODyS1801 April 182090-2116435.41e-05-4.75-4.970Based on 47 optical observations (of which 0 are rejected as outliers) from 2015-12-06.457 to 2015-12-18.239.
JPL Sentry1540 April 182092-2118215.228121e-05-4.60-4.830Computed at 08:07 April 18th Pacific time based on 46 observations spanning 11.782 days (2015-Dec-06.456533 to 2015-Dec-18.23839) including radar (1 Doppler).. Diameter approximately 0.026 km. from weighted mean H=25.53.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2015 XPJPL Sentry1701 April 202067-206714.127e-07-6.84-6.840Computed at 08:09 April 20th Pacific time based on 74 observations spanning 27.858 days (2015-Nov-07.24826 to 2015-Dec-05.10672). Diameter approximately 0.024 km. from weighted mean H=25.75.
NEODyS1701 April 20206728.08e-07-6.58-6.880Based on 74 optical observations (of which 0 are rejected as outliers) from 2015-11-07.249 to 2015-12-05.108.
Assessment postings were noted by A/CC on 20 April   -   References: DOU 2019-H27
2015 VO142JPL Sentry1701 April 202065-2118106.865301e-06-7.43-7.700Computed at 08:30 April 20th Pacific time based on 113 observations spanning 15.570 days (2015-Nov-06.497654 to 2015-Nov-22.06765). Diameter approximately 0.005 km. from weighted mean H=28.98.
NEODyS1701 April 202046-2118427.76e-06-7.40-7.720Based on 113 optical observations (of which 0 are rejected as outliers) from 2015-11-06.498 to 2015-11-22.068.
Assessment postings were noted by A/CC on 20 April   -   References: DOU 2019-H27
2015 HE183JPL Sentry1701 April 202090-209015.911e-08-8.86-8.860Computed at 08:05 April 20th Pacific time based on 16 observations spanning 5.1522 days (2015-Apr-21.38391 to 2015-Apr-26.536079). Diameter approximately 0.008 km. from weighted mean H=28.20.
NEODyS1701 April 202080-209344.3e-07-8.02-8.440Based on 18 optical observations (of which 1 are rejected as outliers) from 2015-04-21.385 to 2015-04-26.537.
Assessment postings were noted by A/CC on 20 April   -   References: DOU 2019-H27
2015 BW516JPL Sentry1701 April 202052-209377.9992106e-05-5.30-5.530Computed at 08:04 April 20th Pacific time based on 20 observations spanning 10.476 days (2015-Jan-18.293381 to 2015-Jan-28.76983). Diameter approximately 0.010 km. from weighted mean H=27.68.
NEODyS1701 April 202046-2093108.31e-05-5.32-5.670Based on 22 optical observations (of which 1 are rejected as outliers) from 2015-01-18.294 to 2015-01-28.771.
Assessment postings were noted by A/CC on 20 April   -   References: DOU 2019-H27
2014 SR223JPL Sentry1701 April 202063-206311.495e-06-6.51-6.510Computed at 08:06 April 20th Pacific time based on 66 observations spanning 11.148 days (2014-Sep-22.296176 to 2014-Oct-03.444392). Diameter approximately 0.015 km. from weighted mean H=26.74.
NEODyS1701 April 20206312.03e-06-6.41-6.410Based on 66 optical observations (of which 0 are rejected as outliers) from 2014-09-22.297 to 2014-10-03.445.
Assessment postings were noted by A/CC on 20 April   -   References: DOU 2019-H27
2014 QN266NEODyS1801 April 182078-210991.65e-06-6.73-6.790Based on 81 optical observations (of which 0 are rejected as outliers) from 2014-08-17.497 to 2014-10-29.400.
JPL Sentry1540 April 182078-210531.4236e-06-6.77-6.840Computed at 08:11 April 18th Pacific time based on 81 observations spanning 72.903 days (2014-Aug-17.496089 to 2014-Oct-29.399567). Diameter approximately 0.019 km. from weighted mean H=26.21.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2014 QF33JPL Sentry1701 April 202076-208222.512e-07-5.74-5.810Computed at 08:15 April 20th Pacific time based on 54 observations spanning 31.886 days (2014-Aug-18.453666 to 2014-Sep-19.339372). Diameter approximately 0.060 km. from weighted mean H=23.75.
NEODyS1701 April 202072-208684.23e-07-5.55-5.810Based on 54 optical observations (of which 0 are rejected as outliers) from 2014-08-18.454 to 2014-09-19.340.
Assessment postings were noted by A/CC on 20 April   -   References: DOU 2019-H27
2014 JU79JPL Sentry1625 April 12R E M O V E DRisk listing removed at 1507 UTC April 12th
NEODyS1625 April 122041-204528.18e-10-8.01-8.080Based on 9 optical observations (of which 0 are rejected as outliers) from 2014-05-04.425 to 2014-05-06.381.
Assessment postings were noted by A/CC on 12 April   -   References: DOU 2019-G153
2014 HT197JPL Sentry1530 April 9R E M O V E DRisk listing removed at 1458 UTC April 9th
NEODyS1530 April 9207015.4e-11-11.87-11.870Based on 15 optical observations (of which 0 are rejected as outliers) from 2014-04-23.154 to 2014-04-30.272.
Assessment postings were noted by A/CC on 7 April & 9 April   -   References: DOUs 2019-G71 & 2019-G122
2014 HG196JPL Sentry0312 April 102020-21173299.745286e-07-6.46-7.440Computed at 21:29 April 8th of 2017 Pacific time based on 18 observations spanning 1.0300 days (2014-Apr-23.08628 to 2014-Apr-24.11626). Diameter approximately 0.016 km. from weighted mean H=26.56.
An assessment posting was noted by A/CC on 10 April   -   References: no recent MPECs
2013 WMJPL Sentry1701 April 202047-210524.267e-07-5.25-5.420Computed at 08:06 April 20th Pacific time based on 25 observations spanning 11.953 days (2013-Nov-25.24629 to 2013-Dec-07.19945). Diameter approximately 0.055 km. from weighted mean H=23.93.
NEODyS1701 April 202047-210524.51e-07-5.21-5.30Based on 25 optical observations (of which 0 are rejected as outliers) from 2013-11-25.247 to 2013-12-07.200.
Assessment postings were noted by A/CC on 20 April   -   References: DOU 2019-H27
2012 ES10NEODyS1801 April 182054-206481.87e-06-4.75-5.040Based on 36 optical observations (of which 0 are rejected as outliers) from 2012-03-15.370 to 2012-03-28.314.
JPL Sentry1540 April 182054-206471.63911e-06-4.74-5.020Computed at 08:03 April 18th Pacific time based on 36 observations spanning 12.944 days (2012-Mar-15.36929 to 2012-Mar-28.313591). Diameter approximately 0.061 km. from weighted mean H=23.74.
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2008 USJPL Sentry1605 April 192020-2069275.0549051e-06-7.15-7.370Computed at 14:44 April 7th of 2017 Pacific time based on 15 observations spanning .08144 days (2008-Oct-21.35391 to 2008-Oct-21.43535). Diameter approximately 0.002 km. from weighted mean H=31.40.
An assessment posting was noted by A/CC on 19 April   -   References: no recent MPECs
C   L   E   A   R   E   D
2019 GJ5JPL Sentry2208 April 12R E M O V E DRisk listing removed at 1617 UTC April 11th
NEODyS1600 April 11R E M O V E D
Assessment postings were noted by A/CC on 9 April, 10 April, 11 April & 12 April   -   References: MPEC 2019-G127 plus DOUs 2019-G150, 2019-H04 & 2019-H26
2019 GT3NEODyS1600 April 11R E M O V E D
Assessment postings were noted by A/CC on 9 April & 11 April   -   References: MPEC 2019-G100 plus DOUs 2019-G150, 2019-G153 & 2019-H04
2019 GT2JPL Sentry1636 April 11R E M O V E DRisk listing removed at 1608 UTC April 11th
Assessment postings were noted by A/CC on 8 April & 11 April   -   References: MPECs 2019-G79 & 2019-H02 plus DOUs 2019-G149, 2019-G150, 2019-G154 & 2019-G160
2019 FC3NEODyS1540 April 10R E M O V E D
JPL Sentry1530 April 9R E M O V E DRisk listing removed at 1458 UTC April 9th
Assessment postings were noted by A/CC on 5 April, 6 April, 7 April, 8 April, 9 April & 10 April   -   References: MPEC 2019-G28 plus DOUs 2019-G46, 2019-G69, 2019-G71, 2019-G82, 2019-G122, 2019-G149, 2019-G153 & 2019-G154
2019 FA2JPL Sentry1605 April 5R E M O V E DRisk listing removed at 1537 UTC April 5th
NEODyS1605 April 5R E M O V E D
Assessment postings were noted by A/CC on 5 April   -   References: MPEC 2019-F153 plus DOUs 2019-G15, 2019-G34, 2019-G46 & 2019-G71
2018 WE1JPL Sentry1707 April 18R E M O V E DRisk listing removed at 1658 UTC April 18th
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 UZJPL Sentry1801 April 18R E M O V E DRisk listing removed at 1717 UTC April 18th
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 SB33JPL Sentry1707 April 18R E M O V E DRisk listing removed at 1636 UTC April 18th
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2017 GF8JPL Sentry1832 April 17R E M O V E DRisk listing removed at 1828 UTC April 17th
An assessment posting was noted by A/CC on 17 April   -   References: no recent MPECs
2017 AR20JPL Sentry1832 April 17R E M O V E DRisk listing removed at 1810 UTC April 17th
An assessment posting was noted by A/CC on 17 April   -   References: DOU 2019-H15
2015 VD105JPL Sentry1540 April 18R E M O V E DRisk listing removed at 1525 UTC April 18th
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2015 DA54JPL Sentry1701 April 20R E M O V E DRisk listing removed at 1523 UTC April 20th
An assessment posting was noted by A/CC on 20 April   -   References: DOU 2019-H27
2015 BP566JPL Sentry1610 April 18R E M O V E DRisk listing removed at 1608 UTC April 18th
An assessment posting was noted by A/CC on 18 April   -   References: DOU 2019-H15
2014 OY391NEODyS1801 April 18R E M O V E D
JPL Sentry1540 April 18R E M O V E DRisk listing removed at 1501 UTC April 18th
Assessment postings were noted by A/CC on 18 April   -   References: DOU 2019-H15
2014 NJ65JPL Sentry1832 April 17R E M O V E DRisk listing removed at 1824 UTC April 17th
An assessment posting was noted by A/CC on 17 April   -   References: DOU 2019-F87
2010 KV21JPL Sentry1600 April 11R E M O V E DSentry removed 2010 KV21 as 2019 GJ5 (which remains risk-listed by JPL). Computed at 15:26 April 9th Pacific time based on 22 observations spanning 4.6267 days (2019-Apr-04.47273 to 2019-Apr-09.0994). Diameter approximately 0.379 km. from weighted mean H=19.77.
An assessment posting was noted by A/CC on 11 April   -   References: no recent MPECs

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale (next 100 years)

For a list of risk-rated objects currently under observation, see our ephemerides page.

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" for more information.


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